Matter and Its Interactions

  1. Chemistry

    Behold the world’s thinnest pasta

    Made from white flour and formic acid, the nanofibers average just 370 nanometers across. That’s two-hundredths the thickness of a human hair.

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  2. Chemistry

    Experiment: How to keep fruit slices fresh

    Let’s explore why fruit tends to brown over time and how to keep it looking fresh.

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  3. Archaeology

    Let’s learn about radiocarbon dating

    Through the power of radioactivity, carbon dating can reveal the age of many fossils and artifacts.

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  4. Chemistry

    Teen chemist uncovers potentially harmful preservatives in pet food

    Thermo Fisher JIC finalist Mackensey Wilson measured levels of a chemical called BHT in three pet food brands.

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  5. Physics

    Weirdly, mayo can help study conditions ripe for nuclear fusion 

    Yes, mayo. The texture of the sandwich spread is perfect for mimicking what a fusion fuel capsule goes through when blasted with lasers.

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  6. Tech

    Bioelectronics research wins top award at 2024 Regeneron ISEF

    Three grand-award winners each took home at least $50,000. Hundreds more teens shared more than $9 million in prizes at the international competition.

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  7. Environment

    To limit pollution, new recipe makes plastic a treat for microbes

    Microplastics made from fossil fuels take centuries to disappear. But the plant- and algae-based plastic can break down in weeks to months.

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  8. Tech

    Lego bricks inspired a new way to shape devices for studying liquids

    Inspired by Lego building blocks, the approach could enable design of adaptable tools to study how fluids move through very small spaces.

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  9. Physics

    Experiment: Make your own cents-able battery

    Make your own ‘voltaic pile’ with pennies and nickels, and find out how many coins will make the most electricity!

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  10. Materials Science

    Scientists Say: Semiconductor

    Modern electronics, from cell phones to video games, work thanks to these conductor-insulator hybrids.

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  11. Chemistry

    Turning jeans blue with sunlight might help the environment

    When dipped in indican and exposed to sunlight, yarn turns a deep blue. This process is more eco-friendly than the current denim dyeing method.

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  12. Physics

    Forests could help detect ‘ghost particles’ from space

    If trees could act as natural antennas, one physicist proposes that they just might pick up signals of hard-to-spot ultra-high energy neutrinos.

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